MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS (V = 10 V, I = 500 mA, T = T to T
(Note 1), unless otherwise noted)
in
O
J
low
high
MC7805B, NCV7805
MC7805C
Typ
Characteristic
Output Voltage (T = 25°C)
Symbol
Min
Typ
Max
Min
Max
Unit
Vdc
Vdc
V
O
V
O
4.8
5.0
5.2
4.8
5.0
5.2
J
Output Voltage (5.0 mA ≤ I ≤ 1.0 A, P ≤ 15 W)
O
D
7.0 Vdc ≤ V ≤ 20 Vdc
−
−
−
4.75
−
5.0
−
5.25
−
in
8.0 Vdc ≤ V ≤ 20 Vdc
in
4.75
5.0
5.25
Line Regulation (Note 4)
Reg
5.0
1.3
100
50
−
−
0.5
0.8
20
10
mV
mV
line
7.5 Vdc ≤ V ≤ 20 Vdc, 1.0 A
−
−
in
8.0 Vdc ≤ V ≤ 12 Vdc
in
Load Regulation (Note 4)
Reg
load
5.0 mA ≤ I ≤ 1.0 A
−
−
1.3
100
50
−
−
1.3
1.3
25
25
O
5.0 mA ≤ I ≤ 1.5 A (T = 25°C)
O
A
0.15
Quiescent Current
I
−
3.2
8.0
−
3.2
6.5
mA
mA
B
Quiescent Current Change
7.0 Vdc ≤ V ≤ 25 Vdc
DI
B
−
−
−
−
−
0.5
−
−
0.3
1.0
0.8
in
5.0 mA ≤ I ≤ 1.0 A (T = 25°C)
O
A
0.08
Ripple Rejection
RR
−
68
−
62
83
−
dB
8.0 Vdc ≤ V ≤ 18 Vdc, f = 120 Hz
in
Dropout Voltage (I = 1.0 A, T = 25°C)
V − V
O
−
−
2.0
10
−
−
−
−
2.0
10
−
−
Vdc
O
J
I
Output Noise Voltage (T = 25°C)
V
n
mV/V
O
A
10 Hz ≤ f ≤ 100 kHz
Output Resistance f = 1.0 kHz
r
−
−
0.9
0.2
−
−
−
−
0.9
0.6
−
−
mW
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
Peak Output Current (T = 25°C)
I
−
−
2.2
−
−
−
−
2.2
−
−
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
−0.3
−0.3
mV/°C
O
1. T
= 0°C for MC78XXAC, C, T
= +125°C for MC78XXAC, NCV7805
low
high
= *40°C for MC78XXB, MC78XXAB, NCV7805
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
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